Initial Commit (#2349)

core-java/src/test/java/com/baeldung/hashcode/application/ApplicationTest.java

@@ -0,0 +1,30 @@
+package com.baeldung.application;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
+import static org.junit.Assert.assertEquals;
+
+public class ApplicationTest {
+
+    private ByteArrayOutputStream outContent;
+
+    @Before
+    public void setUpPrintStreamInstance() throws Exception {
+        this.outContent = new ByteArrayOutputStream();
+        System.setOut(new PrintStream(outContent));
+    }
+
+    @After
+    public void tearDownByteArrayOutputStream() throws Exception {
+        outContent = null;
+    }
+
+    @Test
+    public void main_NoInputState_TextPrintedToConsole() throws Exception {
+        Application.main(new String[]{});
+        assertEquals("User found in the collection", outContent.toString());
+    }
+}

core-java/src/test/java/com/baeldung/hashcode/entities/UserTest.java

@@ -0,0 +1,34 @@
+package com.baeldung.entities;
+
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+public class UserTest {
+
+    private User user;
+    private User comparisonUser;
+
+    @Before
+    public void setUpUserInstances() {
+        this.user = new User(1L, "test", "test@domain.com");
+        this.comparisonUser = this.user;
+    }
+
+    @After
+    public void tearDownUserInstances() {
+        user = null;
+        comparisonUser = null;
+    }
+
+    @Test
+    public void equals_EqualUserInstance_TrueAssertion(){
+        Assert.assertTrue(user.equals(comparisonUser));
+    }
+
+    @Test
+    public void hashCode_UserHash_TrueAssertion() {
+        Assert.assertEquals(1792276941, user.hashCode());
+    }
+}